Calvin's Commentary on Zephaniah:

Commentaries on the Twelve Minor Prophets, by John Calvin. Now first
translated from the original Latin, by the Rev. John Owen, vicar of
Thrussington, Leicestershire. Volume Fourth. Habakkuk, Zephaniah,
Haggai. W. M. Eerdsmans Publishing Company, Grand Rapids, 1950,
Michigan. Printed in the United States of America. The Commentaries
of John Calvin on the Prophet Zephaniah.